.stats-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.stats-content {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.stats-row {
  display: flex;
  gap: 30px;
}

.stats-card {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.chart-container {
  width: 100%;
  height: 400px;
}

.large-chart {
  height: 500px;
}

/* 加载动画 */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-size: 1.5rem;
  color: var(--primary-color);
}

/* 响应式样式 */
@media (max-width: 1024px) {
  .stats-row {
    flex-direction: column;
  }
  
  .chart-container {
    height: 350px;
  }
}

@media (max-width: 768px) {
  .stats-container {
    padding: 10px;
  }
  
  .chart-container {
    height: 300px;
  }
  
  .large-chart {
    height: 400px;
  }
} 